BMW F 800S (2008) vs BMW HP 4 (2015)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | F 800S | HP 4 |
| Years: | 2008 | 2015 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 798 cc / 47.7 cub. in. | 999 cc / 61 cu in. |
| Bore x Stroke: | 82 x 75.8 mm | 80 x 49,7 mm |
| Compression Ratio: | 12.0:1 | 13:1 |
| Cooling: | Liquid cooled | Liquid cooled |
| Induction: | Electronic intake injection | Electronic fuel injection, digital motor electronics BMS-KP |
| Alternator: | Three-phase alternator 400 W | Three-phase generator 350 W |
| Battery: | 12V / 14 Ah, maintenance-free | 12 V / 7 Ah, maintenance-free |
| Starting: | Electric | Electric |
| Max Power: | 62.5 kW / 85 hp @ 8000 rpm | 144 kW / 193 hp @ 13000 rpm |
| Max Torque: | 80 Nm / 8.2 kgf-m / 59 lb-ft. @ 5800 rpm | 112 Nm / 11.4 kgf-m / 82.6 lb-ft @ 9750 rpm |
| Clutch: | Cable-operated multiplate-plate wet clutch | Multiple disc antihopping clutch in oil bath, mechanically operated |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Belt drive with shock damper | Chain |
| Gear Ratio: | 1st 2.46 / 2nd 1.75 / 3rd 1.38 / 4th 1.17 / 5th 1.04 / 6th 0.96:1 | 1st 2.647 / 2nd 2.091 /3rd 1.727 / 4th 1.500 / 5th 1.360 / 6th 1.261:1 |
| Frame: | Bridge-type aluminium frame | Bridge-type aluminium frame, load-bearing engine |
| Front Suspension: | 43mm Telescopic forks | USD fork with DEC, fixed fork tube diameter 46 mm damping electronically adjustable, spring preload adjustable, |
| Front Wheel Travel: | 140 mm / 5.5 in. | 120 mm / 4.7 in. |
| Rear Suspension: | Die-cast aluminium single sided swinging arm with rear wheal axle and eccentric adjustment, central spring stud , spring pre-loaded hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable. | Aluminum double-sided swing arm with DDC central spring strut, compression and rebound stage electronically adjustable, spring preload hydraulicaily adjustable |
| Rear Wheel Travel: | 140 mm / 5.5 in | 130 mm / 5.1 in. |
| Front Brakes: | 2 x ∅320 mm discs, 4 piston calipers | 2 x ∅320mm discs radial monoblock, 4-piston fixed caliper |
| Rear Brakes: | Single ∅265 mm disc, 2 piston caliper | Single ∅220mm disc, 1 piston floating caliper |
| Front Tyre: | 120/70 ZR17 | 120/70 ZR17 |
| Rear Tyre: | 180/55 ZR17 | 200/55 ZR17 |
| Dimensions: | Length 2082 mm / 82 in. Width 860 mm / 33.9 in. (incl. mirrors) Height 1155 mm / 45.5 in. (excl. mirrors) | Length: 2056 mm / 80.9 in. Width: 826 mm / 32.5 in. (incl. mirrors) Height: 1138 mm / 44.8 in. (excl. mirrors) |
| Wheelbase: | 1466 mm / 57.7 in. | 1422 mm / 56 in. |
| Seat Height: | 820 mm / 32.3 in. (low seat: 790 mm / 31.1 in.) | 820 mm / 33.3 in. |
| Dry Weight: | 182 kg / 401 lbs | 169 kg / 373 lbs. |
| Wet-Weight: | 209 kg / 461 lbs | 199 kg / 439 lbs |
| Fuel Capacity: | 16 Litres / 4.2 US gal. | 17.5 Litres / US 4.6 gal. |